Based on the novel “Ribasu” by Kanae Minato. A Story is about Kazuhisa Fukase (Tatsuya Fujiwara) graduated from a prestigious university, but he leads a boring life. His only strength is making delicious coffee. Whenever he makes coffee, he is reminded of his friend Yoshiki Hirosawa (Teppei Koike). He was friends with Yoshiki Hirosawa back in their university days, but Yoshiki Hirosawa died on a snowboarding trip 10 years ago.
One day, he meets Mihoko Ochi (Erika Toda) at a coffee shop. He is strongly attracted to her. Kazuhisa Fukase goes to a professor’s retirement celebration at a university. There, he meets Kosuke Asai (Yuta Tamamori) who went snowboarding with Yoshiki Hirosawa on that fateful trip. Journalist Toshio Ogasawara (Tetsuya Takeda) also appears there. He has been investigating Yoshiki Hirosawa’s death.